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January 25, 2021
"30, 40, 50" represents the taper section diameter of the toolholder. For example, BT50 refers to: the diameter of 100 mm, the tolerance is - 0.05 to 0; the trapezoidal groove bottom diameter is 85 mm; the trapezoidal groove top width is 15 mm, the tolerance is 0 to + 0.1; the trapezoidal groove angle is 30 degrees up and down, the tolerance is - 15 'to 0; the distance between the trapezoidal groove center and the spindle end face (the big end of the tool handle cone) is 23.2 mm, and the tolerance is plus or minus 0.1.
The above is the Specification of BT toolholder for ER spring chuck we have listed for you. You can submit the following form to obtain more industry information we provide for you.
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Privacy statement: Your privacy is very important to Us. Our company promises not to disclose your personal information to any external company with out your explicit permission.